Contrast enhanced MRA with retrospective selection of acceleration factor (2009)
Type of ContentConference Contributions - Other
PublisherUniversity of Canterbury. Electrical and Computer Engineering
University of Canterbury. Physics and Astronomy
AuthorsWu, B., Watts, R., Butler, A., Millane, R., Bones, P.show all
A new 3D time resolved contrast enhanced MR angiography (CE-MRA) technique is presented that uses both parallel MRI (pMRI) and an object support constraint to enable high temporal and spatial resolution imaging. The k-space data acquisition is such that the acceleration factor can be chosen in post-processing, enabling a temporal window to be chosen to give an optimum, high SNR arterial view. This technique allows both temporal dynamic to be assessed while not compromising SNR for a single peak arterial phase image. An object support constraint is incorporated to improve the reconstruction SNR.
CitationWu, B., Watts, R., Butler, A., Millane, R., Bones, P. (2009) Contrast enhanced MRA with retrospective selection of acceleration factor. Honolulu, HI, USA: International Society for Magnetic Resonance in Medicine (ISMRM) 17th Annual Meeting, 18-24 Apr 2009. Proceedings of the International Society for Magnetic Resonance in Medicine (ISMRM 2009), 17, 273.
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